Research Article

A Comparative Electrochemical Behaviour Study and Analytical Detection of the p-Nitrophenol Using Silver Solid Amalgam, Mercury, and Silver Electrodes

Table 1

Analytical parameters for the determination of 4-NP on AgSAE, HMDE, and AgE.

ParametersAgSAEHMDEAgE

𝑟 0.99740.99700.9635
𝑆 𝑏 (A)1.724 × 10−82.186 × 10−85.978 × 10−8
𝑠 (A/moL L−1)0.9971.0180.075
DL (moL L−1)5.190 × 10−8 (7.22  𝜇 g L−1)6.442 × 10−8 (8.96  𝜇 g L−1)2.391 × 10−6 (332.64  𝜇 g L−1)
QL ( 𝜇 g L−1)1.730 × 10−8 (24.66  𝜇 g L−1)2.147 × 10−7 (29.87  𝜇 g L−1)7.971 × 10−6 (1108.80  𝜇 g L−1)
Rec. (%)94.95 ± 0.9597.88 ± 0.89